HG/T 20592  法兰 PJ/SE 65(B)-40 RF S=4

PJ/SE 65(B)-40 RF S=4

ASEM.B16.47-2020 法兰盖 BL1200(B)-150 RF A105

3 CRF 650-0.620δ0=100 d=F

B WN1000-150 RFh401 S0m=6=46-125h1=12-

DN25/PN100/11D Sch10S

WN32A-25MF H=10 S- rf/@aRF-10-12

pl15b)-6rf d=4011800-1.0S=5

WN 4"-150 RF

wn200-150 r